The Professional Tower Series UPS provides advanced level of power protection to servers, telecom equipment, VOIP, internet working hardware & other mission-critical applications. Featuring Pure Sinewave output & Automatic Voltage Regulation (AVR) stabilizing the AC signal & maintaining a safe voltage, it allows the UPS to maintain safe power levels for the connected equipment without resorting to battery power. The multifunction LCD readout provides immediate access to precise information of critical power/battery condition & to help users control & manage the machine easily. The optional SNMP/HTTP Remote Management Capability enables remote management & control of the system through standard web browser. Together with the included Power Panel Business Edition management software, it could provide corporate servers & critical workstations comprehensive network power management including unattended-shutdown, event logging, reporting, & notifications. Features & Benefits: Green Power UPS™ Technology Pure Sine Wave Output Line-Interactive UPS Topology Automatic Voltage Regulator (AVR) EMI, RFI, Surge & Lightning Spike Protection Critical Load Outlet Auto-Restart/ Auto-Charge Emergency Power Off (EPO) Port Multifunction LCD Readout USB (Universal Serial Bus) & Serial Connectivity Ports User-Replaceable Batteries SNMP/HTTP Remote Management Capability (Optional) Power Panel Business Edition